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Thought-Process to Discover Knowledge

Welcome to nubtrek.

Books and other education websites provide "matter-of-fact" knowledge. Instead, nubtrek provides a thought-process to discover knowledge.

In each of the topic, the outline of the thought-process, for that topic, is provided for learners and educators.

Read in the blogs more about the unique learning experience at nubtrek.
mathsDecimalsFundamentals of Decimals

### Expanded Form of Decimals

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What is the number 734 in expanded form?

We studied expanded forms in whole numbers.

• 7+3+4
• 700+30+4
• 700+30+4

The answer is "700+30+4".

What does the word 'expand' mean?

• to make something large by giving more details
• to make something large by giving more details
• to shorten something by removing details

The answer is 'to make something large by giving more details'.

What is the expanded form of 32.625?

• decimals do not have an expanded form
• 30+2 + 6//10 + 2//100 + 5//1000
• 30+2 + 6//10 + 2//100 + 5//1000

The answer is "30+2 + 6//10 + 2//100 + 5//1000".

Expanded form : provides the place value of each digits of the number.
Eg: 12.34 = 10+2+3//10+4//100

Solved Exercise Problem:

What is the expanded form of 0.0023?

• 2//10 + 3//100
• 2//1000+3//10000
• 2//1000+3//10000

The answer is "2//1000+3//10000".

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